/** uuidv4
 *  From: https://stackoverflow.com/a/2117523/2242906
 * a browser version of creating
 */
export default function uuid() {
  return ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
    (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
  )
}